Finding the Third Proportional to 168,138 and 363,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,138 : 363,749.50 = 363,749.50 : x
2. Step 2: Convert to fraction form
   168,138/363,749.50 = 363,749.50/x
3. Step 3: Cross multiply
   168,138x = 363,749.50 × 363,749.50
4. Step 4: Simplify right side
   168,138x = 132,313,698,750.25
5. Step 5: Solve for x
   x = 132,313,698,750.25/168,138
6. Step 6: Final answer
   x = 786,935.13